1028304775 has 24 divisors (see below), whose sum is σ = 1314558720. Its totient is φ = 797518560.

The previous prime is 1028304731. The next prime is 1028304787. The reversal of 1028304775 is 5774038201.

It is not a de Polignac number, because 1028304775 - 2⁷ = 1028304647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121636 + ... + 129814.

It is an arithmetic number, because the mean of its divisors is an integer number (54773280).

Almost surely, 2^1028304775 is an apocalyptic number.

1028304775 is a deficient number, since it is larger than the sum of its proper divisors (286253945).

1028304775 is a wasteful number, since it uses less digits than its factorization.

1028304775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343 (or 8338 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1028304775 is about 32067.1915670830. The cubic root of 1028304775 is about 1009.3472811067.

The spelling of 1028304775 in words is "one billion, twenty-eight million, three hundred four thousand, seven hundred seventy-five".